Although there was briefly a company called Rotary Rocket ... or rotary, engine. If you ever wondered how these worked, why not print a model? That’s what [Engineering Explained] did.

This arrangement leads to a few complicated welding and machining processes, but surprisingly these obstacles can be overcome by simply printing a rocket engine on a 3D printer. The current engine ...

But today, the company announced a €23mn Series A funding round as it looks to ramp up development of its 3D-printed aerospike rocket engine. Among the investors was André-Hubert Roussel ...

Seattle's Museum of Flight brings its collection of space artifacts up to the present day with a Blue Origin BE-3U rocket engine..